Steam iron



FIG. 1 is a front perspective view of the steam iron of the present invention;

FIG. 2 is a right side view thereof (the left side being a mirror image);

FIG. 3 is a top plan view thereof;

FIG. 4 is an enlarged front view in elevation thereof;

FIG. 5 is an enlarged rear view thereof; and,

FIG. 6 is a bottom view thereof. 

The ornamental design for a steam iron, as shown. 